Why is the applied
stroke pressure
range 90-100 psi?

Some brake
chambers have round
port openings
and some square,
what is the difference?

Can I use an
air ratchet on
the adjuster?

Can I access
the adjuster
through the
rear cover?

What’s the
industry standard
for acceptable
push rod angle?

How much control
arm bushing and
anchor stud pin
wear is acceptable
before replacement
is required?

Can wheel bearing
adjustment affect
the brake adjuster?

How do I know
if I need an offset,
angled or straight-
armed adjuster?

The world leader in automatic brake adjustment, the Haldex Automatic Brake Adjuster (ABA) is the most specified in the world, with over 25,000,000 in use today.

ABA

Self-Setting ABA (SABA)

The superior design of the Haldex ABA makes it the adjuster of choice among top manufacturers – and makes Haldex the world’s largest manufacturer of ABA's in the world, covering more applications than any other brand.

Automatic Brake Adjusters (ABA)

The Haldex ABA is the only ABA that can withstand the duty cycle of transit, and similar applications. The trouble-free design promotes longer service life and better on the road adjustment.

Purpose:
The Haldex Automatic Brake Adjuster (ABA) maintains the optimum lining to drum clearance. This ensures the shortest stopping distance possible for a safer, more reliable vehicle. Without ABAs the brakes would require four to five manual brake adjustments a year to maintain acceptable brake performance.

Operation:
The Haldex Adjuster is a clearance sensing brake adjuster that senses the lining to drum clearance and adjusts, if necessary, on the release of the brake.

The Haldex ABA helps ensure maximum brake performance with minimal maintenance. Backed by the longest warranty in the industry, they actually pay for themselves through increased service life.

O ring seal prevents contamination.

Cone clutch components are cold forged for durability.

Built-in installation indicator confirms correct installation.

Unique control arm eliminates linkage wear problems and provides greater application flexibility.

Wormshaft benefits from an exclusive after rolling process that extends fatigue life.

O ring seals eliminate troublesome rubber boots.
Worm wheel uses chrom-moly gears and a buttress tooth gear configuration to reduce gear stress and prolong service life.

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The Next Generation
Automatic Brake Adjuster:
Self-Setting Automatic Brake Adjuster (SABA)

The new Haldex SABA is the latest innovation in brake adjustment. The unique SABA Self-Setting Control arm design allows the control arm to be placed in any position, this virtually eliminates any installation errors.

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